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The total IgG and subclass levels to EBA175 (A, B) and PfRh2 (C, D) in HbAA and HbAS for children (n = 18) and adults (n = 22) are shown; the number of samples = 302. The bars show mean ± SEM of OD at 414 nm. (*, p <0.05; **, p <0.01; ***, p <0.001).
